NNU4984K.S.M.HP

High-precision cylindrical roller bearings, double row, tapered bore,taper 1:12, floating bearing, three shoulders on outer ring, without shoulder on inner ring, with grease/ lubrication groove and grease/ lubrication bores on outer ring, diminished radial clearance, diminished tolerances, brass cage, rings and rolling elements made of high-quality roller bearing steel

Technical data

*) the unit "B" in the graphics corresponds in English to the unit "W" for "Width".

SLF Fraureuth - HG Zyl N NNU49
SLF Fraureuth - HG Zyl NNU49 Anschlussmaße

Dimensions

d(mm)420Bore diameter
D(mm)560Outer diameter
W(mm)140Width
rs min(mm)4Minimal edge distance
F(mm)466Raceway diameter inner ring
H(mm)511Shoulder diameter outer ring
ns(mm)17.7Width lubrication groove
ds(mm)9.5Lubrication hole diameter
s(mm)7.2Axial offset path

Connecting dimensions

da h12(mm)463Diameter of shaft shoulder
Da H12(mm)522Diameter of housing shoulder
ra max(mm)4Maximal rounding radius

Performance data

Cr(kN)1530Dynamic load rating, radial
C0r(kN)4040Static load rating, radial
Cur(kN)325Fatigue limit load, radial
nG Grease(min-1)1300Limit speed, grease lubrication
nG Oil(min-1)1600Limit speed, oil lubrication

Mass

kg95.4Mass

CAD Data